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Subject :NSO    Class : Class 6

Which of the following statements is correct?

A Motion of soldiers on march past is a periodic motion.
B Motion of a train along a curved track on hills is the example of curvilinear motion.
C Every periodic motion is also a oscillatory motion.
D Hockey player running after a ball is a combined motion.

Motion of soldiers is periodic motion, not translatory motion.

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
Ans A also is correct as the motion of the soldiers is uniform that is it is periodic. The motion of the hands is also oscillatory which is periodic

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